Dec 05 00:40:55.372 INFO checking PhdTrollSlayer/CrabChain against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:40:55.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:40:55.714 INFO [stdout] 1470d31f5e5f9c1e33305d22034e57113b3d48ed76046116f0ba4ece9702c2d0
Dec 05 00:40:55.719 INFO running `"docker" "start" "-a" "1470d31f5e5f9c1e33305d22034e57113b3d48ed76046116f0ba4ece9702c2d0"`
Dec 05 00:40:56.911 INFO [stderr] usermod: no changes
Dec 05 00:40:57.075 INFO [stderr]    Compiling openssl v0.10.6
Dec 05 00:40:57.087 INFO [stderr]     Checking memchr v2.0.1
Dec 05 00:40:57.588 INFO [stderr]     Checking csv-core v0.1.4
Dec 05 00:40:59.267 INFO [stderr]     Checking csv v1.0.0
Dec 05 00:41:03.243 INFO [stderr]     Checking blockchain1 v0.1.0 (/source)
Dec 05 00:41:04.051 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:41:04.051 INFO [stderr]  --> src/lib.rs:5:1
Dec 05 00:41:04.051 INFO [stderr]   |
Dec 05 00:41:04.051 INFO [stderr] 5 | #[macro_use]
Dec 05 00:41:04.051 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:41:04.051 INFO [stderr]   |
Dec 05 00:41:04.051 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:41:04.051 INFO [stderr] 
Dec 05 00:41:04.051 INFO [stderr] warning: unused import: `seek`
Dec 05 00:41:04.051 INFO [stderr]  --> src/mining.rs:1:5
Dec 05 00:41:04.051 INFO [stderr]   |
Dec 05 00:41:04.051 INFO [stderr] 1 | use seek;
Dec 05 00:41:04.051 INFO [stderr]   |     ^^^^
Dec 05 00:41:04.051 INFO [stderr] 
Dec 05 00:41:04.117 INFO [stderr] warning: function is never used: `find_last_block_hash`
Dec 05 00:41:04.117 INFO [stderr]  --> src/seek.rs:4:1
Dec 05 00:41:04.117 INFO [stderr]   |
Dec 05 00:41:04.117 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Dec 05 00:41:04.117 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.117 INFO [stderr]   |
Dec 05 00:41:04.117 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 00:41:04.117 INFO [stderr] 
Dec 05 00:41:04.118 INFO [stderr] warning: function is never used: `find_last_block_id`
Dec 05 00:41:04.118 INFO [stderr]   --> src/seek.rs:28:1
Dec 05 00:41:04.118 INFO [stderr]    |
Dec 05 00:41:04.118 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Dec 05 00:41:04.118 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.118 INFO [stderr] 
Dec 05 00:41:04.118 INFO [stderr] warning: function is never used: `last_block`
Dec 05 00:41:04.118 INFO [stderr]  --> src/mining.rs:5:1
Dec 05 00:41:04.118 INFO [stderr]   |
Dec 05 00:41:04.118 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Dec 05 00:41:04.118 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.118 INFO [stderr] 
Dec 05 00:41:04.759 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:41:04.759 INFO [stderr]  --> src/lib.rs:5:1
Dec 05 00:41:04.759 INFO [stderr]   |
Dec 05 00:41:04.759 INFO [stderr] 5 | #[macro_use]
Dec 05 00:41:04.759 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:41:04.759 INFO [stderr]   |
Dec 05 00:41:04.759 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:41:04.759 INFO [stderr] 
Dec 05 00:41:04.759 INFO [stderr] warning: unused import: `seek`
Dec 05 00:41:04.759 INFO [stderr]  --> src/mining.rs:1:5
Dec 05 00:41:04.759 INFO [stderr]   |
Dec 05 00:41:04.759 INFO [stderr] 1 | use seek;
Dec 05 00:41:04.759 INFO [stderr]   |     ^^^^
Dec 05 00:41:04.759 INFO [stderr] 
Dec 05 00:41:04.815 INFO [stderr] warning: function is never used: `find_last_block_hash`
Dec 05 00:41:04.815 INFO [stderr]  --> src/seek.rs:4:1
Dec 05 00:41:04.815 INFO [stderr]   |
Dec 05 00:41:04.815 INFO [stderr] 4 | pub fn find_last_block_hash() -> String {
Dec 05 00:41:04.815 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.815 INFO [stderr]   |
Dec 05 00:41:04.815 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 00:41:04.815 INFO [stderr] 
Dec 05 00:41:04.815 INFO [stderr] warning: function is never used: `find_last_block_id`
Dec 05 00:41:04.815 INFO [stderr]   --> src/seek.rs:28:1
Dec 05 00:41:04.815 INFO [stderr]    |
Dec 05 00:41:04.815 INFO [stderr] 28 | pub fn find_last_block_id() -> String {
Dec 05 00:41:04.815 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.815 INFO [stderr] 
Dec 05 00:41:04.815 INFO [stderr] warning: function is never used: `last_block`
Dec 05 00:41:04.815 INFO [stderr]  --> src/mining.rs:5:1
Dec 05 00:41:04.815 INFO [stderr]   |
Dec 05 00:41:04.815 INFO [stderr] 5 | pub fn last_block(prev_hash: String) -> (String, String) {
Dec 05 00:41:04.815 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:41:04.815 INFO [stderr] 
Dec 05 00:41:05.261 INFO [stderr] warning: unused import: `openssl::sha`
Dec 05 00:41:05.261 INFO [stderr]  --> src/new_block.rs:2:5
Dec 05 00:41:05.261 INFO [stderr]   |
Dec 05 00:41:05.261 INFO [stderr] 2 | use openssl::sha;
Dec 05 00:41:05.261 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:41:05.261 INFO [stderr]   |
Dec 05 00:41:05.261 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:41:05.261 INFO [stderr] 
Dec 05 00:41:05.262 INFO [stderr] warning: unused import: `hex`
Dec 05 00:41:05.262 INFO [stderr]  --> src/new_block.rs:3:5
Dec 05 00:41:05.262 INFO [stderr]   |
Dec 05 00:41:05.262 INFO [stderr] 3 | use hex;
Dec 05 00:41:05.262 INFO [stderr]   |     ^^^
Dec 05 00:41:05.262 INFO [stderr] 
Dec 05 00:41:05.262 INFO [stderr] warning: unused import: `std::error::Error`
Dec 05 00:41:05.262 INFO [stderr]  --> src/validator.rs:1:5
Dec 05 00:41:05.262 INFO [stderr]   |
Dec 05 00:41:05.262 INFO [stderr] 1 | use std::error::Error;
Dec 05 00:41:05.262 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 00:41:05.262 INFO [stderr] 
Dec 05 00:41:05.262 INFO [stderr] warning: unused import: `std::ptr::null`
Dec 05 00:41:05.262 INFO [stderr]  --> src/validator.rs:4:5
Dec 05 00:41:05.262 INFO [stderr]   |
Dec 05 00:41:05.262 INFO [stderr] 4 | use std::ptr::null;
Dec 05 00:41:05.262 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:41:05.262 INFO [stderr] 
Dec 05 00:41:05.262 INFO [stderr] warning: unused import: `seek`
Dec 05 00:41:05.262 INFO [stderr]  --> src/mining.rs:1:5
Dec 05 00:41:05.262 INFO [stderr]   |
Dec 05 00:41:05.262 INFO [stderr] 1 | use seek;
Dec 05 00:41:05.262 INFO [stderr]   |     ^^^^
Dec 05 00:41:05.262 INFO [stderr] 
Dec 05 00:41:05.321 INFO [stderr] warning: unused import: `openssl::sha`
Dec 05 00:41:05.321 INFO [stderr]  --> src/new_block.rs:2:5
Dec 05 00:41:05.321 INFO [stderr]   |
Dec 05 00:41:05.321 INFO [stderr] 2 | use openssl::sha;
Dec 05 00:41:05.321 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:41:05.321 INFO [stderr]   |
Dec 05 00:41:05.321 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:41:05.321 INFO [stderr] 
Dec 05 00:41:05.321 INFO [stderr] warning: unused import: `hex`
Dec 05 00:41:05.321 INFO [stderr]  --> src/new_block.rs:3:5
Dec 05 00:41:05.321 INFO [stderr]   |
Dec 05 00:41:05.321 INFO [stderr] 3 | use hex;
Dec 05 00:41:05.321 INFO [stderr]   |     ^^^
Dec 05 00:41:05.321 INFO [stderr] 
Dec 05 00:41:05.322 INFO [stderr] warning: unused import: `std::error::Error`
Dec 05 00:41:05.322 INFO [stderr]  --> src/validator.rs:1:5
Dec 05 00:41:05.322 INFO [stderr]   |
Dec 05 00:41:05.322 INFO [stderr] 1 | use std::error::Error;
Dec 05 00:41:05.322 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 00:41:05.322 INFO [stderr] 
Dec 05 00:41:05.322 INFO [stderr] warning: unused import: `std::ptr::null`
Dec 05 00:41:05.322 INFO [stderr]  --> src/validator.rs:4:5
Dec 05 00:41:05.322 INFO [stderr]   |
Dec 05 00:41:05.322 INFO [stderr] 4 | use std::ptr::null;
Dec 05 00:41:05.322 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:41:05.322 INFO [stderr] 
Dec 05 00:41:05.322 INFO [stderr] warning: unused import: `seek`
Dec 05 00:41:05.322 INFO [stderr]  --> src/mining.rs:1:5
Dec 05 00:41:05.322 INFO [stderr]   |
Dec 05 00:41:05.322 INFO [stderr] 1 | use seek;
Dec 05 00:41:05.322 INFO [stderr]   |     ^^^^
Dec 05 00:41:05.322 INFO [stderr] 
Dec 05 00:41:05.350 INFO [stderr] warning: unused variable: `nonce`
Dec 05 00:41:05.350 INFO [stderr]   --> src/new_block.rs:18:17
Dec 05 00:41:05.350 INFO [stderr]    |
Dec 05 00:41:05.350 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 05 00:41:05.350 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Dec 05 00:41:05.350 INFO [stderr]    |
Dec 05 00:41:05.350 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:41:05.350 INFO [stderr] 
Dec 05 00:41:05.356 INFO [stderr] warning: value assigned to `this_record` is never read
Dec 05 00:41:05.356 INFO [stderr]  --> src/validator.rs:9:13
Dec 05 00:41:05.356 INFO [stderr]   |
Dec 05 00:41:05.356 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Dec 05 00:41:05.356 INFO [stderr]   |             ^^^^^^^^^^^
Dec 05 00:41:05.356 INFO [stderr]   |
Dec 05 00:41:05.356 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 05 00:41:05.356 INFO [stderr] 
Dec 05 00:41:05.367 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:41:05.367 INFO [stderr]   --> src/new_block.rs:18:13
Dec 05 00:41:05.367 INFO [stderr]    |
Dec 05 00:41:05.367 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 05 00:41:05.367 INFO [stderr]    |             ----^^^^^
Dec 05 00:41:05.367 INFO [stderr]    |             |
Dec 05 00:41:05.367 INFO [stderr]    |             help: remove this `mut`
Dec 05 00:41:05.367 INFO [stderr]    |
Dec 05 00:41:05.367 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:41:05.367 INFO [stderr] 
Dec 05 00:41:05.423 INFO [stderr] warning: unused variable: `nonce`
Dec 05 00:41:05.423 INFO [stderr]   --> src/new_block.rs:18:17
Dec 05 00:41:05.423 INFO [stderr]    |
Dec 05 00:41:05.423 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 05 00:41:05.423 INFO [stderr]    |                 ^^^^^ help: consider using `_nonce` instead
Dec 05 00:41:05.423 INFO [stderr]    |
Dec 05 00:41:05.423 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:41:05.423 INFO [stderr] 
Dec 05 00:41:05.423 INFO [stderr] warning: value assigned to `this_record` is never read
Dec 05 00:41:05.423 INFO [stderr]  --> src/validator.rs:9:13
Dec 05 00:41:05.423 INFO [stderr]   |
Dec 05 00:41:05.423 INFO [stderr] 9 |     let mut this_record = StringRecord::from(vec!["0", "0", "0", "0", "0"]);
Dec 05 00:41:05.423 INFO [stderr]   |             ^^^^^^^^^^^
Dec 05 00:41:05.423 INFO [stderr]   |
Dec 05 00:41:05.423 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 05 00:41:05.423 INFO [stderr] 
Dec 05 00:41:05.431 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:41:05.431 INFO [stderr]   --> src/new_block.rs:18:13
Dec 05 00:41:05.431 INFO [stderr]    |
Dec 05 00:41:05.432 INFO [stderr] 18 |         let mut nonce: i64 = 0;
Dec 05 00:41:05.432 INFO [stderr]    |             ----^^^^^
Dec 05 00:41:05.432 INFO [stderr]    |             |
Dec 05 00:41:05.432 INFO [stderr]    |             help: remove this `mut`
Dec 05 00:41:05.432 INFO [stderr]    |
Dec 05 00:41:05.432 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:41:05.432 INFO [stderr] 
Dec 05 00:41:05.478 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
Dec 05 00:41:05.487 INFO [stderr] su: No module specific data is present
Dec 05 00:41:06.035 INFO running `"docker" "inspect" "1470d31f5e5f9c1e33305d22034e57113b3d48ed76046116f0ba4ece9702c2d0"`
Dec 05 00:41:06.471 INFO running `"docker" "rm" "-f" "1470d31f5e5f9c1e33305d22034e57113b3d48ed76046116f0ba4ece9702c2d0"`
Dec 05 00:41:06.871 INFO [stdout] 1470d31f5e5f9c1e33305d22034e57113b3d48ed76046116f0ba4ece9702c2d0